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Proceedings Paper

Increasing the functionality of free-space micro-optical intrachip modules with DOEs: toward reconfigurable photonic interconnects
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Paper Abstract

We study the potentialities of three dimensional micro-optical pathway blocks combining refractive microlens arrays, reflective micro-prisms and diffractive fan-out elements, to enhance the functionalities of short-distance intra-chip optical interconnects. As an example, we demonstrate the possibility to enhance the point-to-point interconnection functionality to that of broadcasting data over a chip. We also investigate the limitations imposed by the physical dimensions of the refractive and diffractive micro-optical components. We then illustrate this example by a quantitatively elaborated design of a fan-out element from a VCSEL array to a detector array with a 1 to 9 signal broadcasting for every source. Furthermore we show that with the use of DOE’s we can achieve a broadcasting functionality that can lead towards reconfigurable optical interconnects, with the aid of wavelength sensitive resonant cavity detectors and WDM-inspired interconnection schemes.

Paper Details

Date Published: 15 April 2003
PDF: 12 pages
Proc. SPIE 4942, VCSELs and Optical Interconnects, (15 April 2003); doi: 10.1117/12.477272
Show Author Affiliations
Lieven Desmet, Vrije Univ. Brussel (Belgium)
Arkadiusz Sagan, Warsaw Univ. (Poland)
Wojciech Grabowski, Warsaw Univ. (Poland)
Ryszard Buczynski, Warsaw Univ. (Poland)
Hugo Thienpont, Vrije Univ. Brussel (Belgium)

Published in SPIE Proceedings Vol. 4942:
VCSELs and Optical Interconnects
Hugo Thienpont; Jan Danckaert, Editor(s)

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